EP0294794A3 - Process to open soldered contacts of a relay and circuit to execute the same - Google Patents

Process to open soldered contacts of a relay and circuit to execute the same Download PDF

Info

Publication number
EP0294794A3
EP0294794A3 EP88109154A EP88109154A EP0294794A3 EP 0294794 A3 EP0294794 A3 EP 0294794A3 EP 88109154 A EP88109154 A EP 88109154A EP 88109154 A EP88109154 A EP 88109154A EP 0294794 A3 EP0294794 A3 EP 0294794A3
Authority
EP
European Patent Office
Prior art keywords
relay
execute
open
circuit
same
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88109154A
Other languages
German (de)
Other versions
EP0294794B1 (en
EP0294794A2 (en
Inventor
Norbert Nickolai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP0294794A2 publication Critical patent/EP0294794A2/en
Publication of EP0294794A3 publication Critical patent/EP0294794A3/en
Application granted granted Critical
Publication of EP0294794B1 publication Critical patent/EP0294794B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/001—Means for preventing or breaking contact-welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • H01H2047/003—Detecting welded contacts and applying weld break pulses to coil
EP88109154A 1987-06-10 1988-06-08 Process to open soldered contacts of a relay and circuit to execute the same Expired - Lifetime EP0294794B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3719298 1987-06-10
DE19873719298 DE3719298A1 (en) 1987-06-10 1987-06-10 METHOD FOR RELEASING THE CONTACTS OF AN ADHESIVE RELAY, AND CIRCUIT ARRANGEMENT FOR IMPLEMENTING THE METHOD

Publications (3)

Publication Number Publication Date
EP0294794A2 EP0294794A2 (en) 1988-12-14
EP0294794A3 true EP0294794A3 (en) 1990-08-29
EP0294794B1 EP0294794B1 (en) 1993-08-11

Family

ID=6329387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88109154A Expired - Lifetime EP0294794B1 (en) 1987-06-10 1988-06-08 Process to open soldered contacts of a relay and circuit to execute the same

Country Status (4)

Country Link
US (1) US4914315A (en)
EP (1) EP0294794B1 (en)
DE (2) DE3719298A1 (en)
ES (1) ES2043728T3 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01186182A (en) * 1988-01-19 1989-07-25 Fanuc Ltd Servo motor controlling system
JP2527041B2 (en) * 1989-07-31 1996-08-21 日本電気株式会社 Power supply circuit
JP2669905B2 (en) * 1989-09-01 1997-10-29 ファナック株式会社 Relay welding detection method
CA2093064C (en) * 1992-06-10 1998-08-11 Dennis W. Waggamon Contact status monitor
JP2879807B2 (en) * 1992-07-30 1999-04-05 矢崎総業株式会社 Switch corrosion prevention circuit
US5363669A (en) * 1992-11-18 1994-11-15 Whirlpool Corporation Defrost cycle controller
DE19632347A1 (en) * 1996-08-10 1998-02-12 Kaco Elektrotechnik Gmbh Switches, in particular relays
JP3724207B2 (en) * 1997-09-08 2005-12-07 松下電器産業株式会社 Relay control circuit
DE19930521A1 (en) * 1999-07-05 2001-01-11 Volkswagen Ag Relay component
JP2002175750A (en) * 2000-12-08 2002-06-21 Toyota Motor Corp Deposit sensing device for relay
DE50214510D1 (en) 2001-08-30 2010-08-12 Krauss Maffei Wegmann Gmbh & C ARTILLERY PROTECTION WITH A HEAVY WEAPON ARRANGED ON A TRUCK VEHICLE
DE10300828C5 (en) † 2003-01-10 2009-06-10 Dorma Gmbh + Co. Kg Control for a DC-operated door opener and method for controlling a DC-operated door opener
JP3625474B1 (en) * 2004-04-05 2005-03-02 富士通テン株式会社 Contact corrosion prevention circuit
JP4599260B2 (en) * 2004-09-28 2010-12-15 プライムアースＥｖエナジー株式会社 POWER CONTROL DEVICE, POWER CONTROL METHOD, PROGRAM, AND RECORDING MEDIUM
US7298148B2 (en) * 2006-03-02 2007-11-20 Emerson Electric Co. Relay controller
US20080055024A1 (en) * 2006-08-31 2008-03-06 Motorola, Inc. System and method for protection of unplanned state changes of a magnetic latching relay
US20100157502A1 (en) * 2008-12-18 2010-06-24 Caterpillar Inc. System for decoupling a power source from a load
WO2010129071A1 (en) * 2009-05-08 2010-11-11 Computer Performance, Inc. Reduced parts count isolated ac current switching and sensing
FR2959593B1 (en) * 2010-04-30 2012-12-28 Schneider Electric Ind Sas CONTACT TYPE ELECTROMAGNETIC SWITCHING APPARATUS AND METHOD FOR OPENING SUCH APPARATUS.
EP2580942A1 (en) * 2010-06-08 2013-04-17 Koninklijke Philips Electronics N.V. Failsafe lighting system
DE102012222129A1 (en) * 2012-12-04 2014-06-05 Robert Bosch Gmbh Method for operating drive circuit of electromagnetic switch, involves effecting mechanical shaking of contact unit of electromagnetic switch by control with predetermined profile of driving voltage
CN104850043A (en) * 2015-04-27 2015-08-19 浙江恒自电力自动化设备有限公司 Microcomputer protection measurement and control device
CN107275157B (en) * 2017-07-24 2020-05-26 浙江英洛华新能源科技有限公司 Relay moving part detection circuit and relay with same
KR102628966B1 (en) * 2019-11-26 2024-01-23 주식회사 엘지에너지솔루션 Apparatus for diagnosing a circuit and battery pack including the same
CN113223895B (en) * 2020-01-21 2022-08-12 株洲中车时代电气股份有限公司 Output safety control circuit of relay
DE102020007452B4 (en) 2020-12-07 2023-06-22 Daimler Truck AG Method for operating a switching device of an electrical network, and switching device
DE102022107181B3 (en) * 2022-03-25 2023-05-11 Webasto SE Power circuit and method for increasing the release forces when switching a relay, and a relay, a charger and a control unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1158869A (en) * 1956-09-14 1958-06-20 Trindel Improvements to electrical contactors
DE1123384B (en) * 1959-12-01 1962-02-08 Siemens Elektrogeraete Gmbh Contact device consisting of several contacts for switching and regulating devices for electrical heaters
US3118091A (en) * 1959-12-10 1964-01-14 Honeywell Regulator Co Control apparatus
FR2565430A1 (en) * 1984-06-04 1985-12-06 Shinko Electric Co Ltd CIRCUIT DETECTING A RELAY FAILURE

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3418609A (en) * 1967-02-28 1968-12-24 United Carr Inc Square obturator
DE1928371A1 (en) * 1969-06-04 1971-02-04 Hartmann & Braun Ag Circuit arrangement for operating direct current relays on alternating voltage
US3958198A (en) * 1973-11-19 1976-05-18 International Standard Electric Corporation Magneto system including a tiltable u-shaped armature
US4254391A (en) * 1979-09-17 1981-03-03 Fasco Industries, Inc. Split armature relay
DE3239840C2 (en) * 1982-10-27 1986-11-20 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for operating electromagnetic switching devices
DE3333833A1 (en) * 1983-09-20 1985-04-04 Brown, Boveri & Cie Ag, 6800 Mannheim CIRCUIT ARRANGEMENT FOR DC OPERATION FOR CONTACTORS
US4645886A (en) * 1984-11-09 1987-02-24 Cuisinarts, Inc. Switch for automatically providing a safety function when its contacts are fused together in the "ON" position
JPS632219A (en) * 1986-06-20 1988-01-07 株式会社東芝 Relay driving circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1158869A (en) * 1956-09-14 1958-06-20 Trindel Improvements to electrical contactors
DE1123384B (en) * 1959-12-01 1962-02-08 Siemens Elektrogeraete Gmbh Contact device consisting of several contacts for switching and regulating devices for electrical heaters
US3118091A (en) * 1959-12-10 1964-01-14 Honeywell Regulator Co Control apparatus
FR2565430A1 (en) * 1984-06-04 1985-12-06 Shinko Electric Co Ltd CIRCUIT DETECTING A RELAY FAILURE

Also Published As

Publication number Publication date
ES2043728T3 (en) 1994-01-01
EP0294794B1 (en) 1993-08-11
DE3719298A1 (en) 1988-12-22
US4914315A (en) 1990-04-03
DE3883086D1 (en) 1993-09-16
DE3719298C2 (en) 1991-02-07
EP0294794A2 (en) 1988-12-14

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